https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70067
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-valid-code Severity|major |normal --- Comment #5 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- This one is even accepted by Clang: template <class> struct App; template <class S> struct Dyn : S { typedef typename Dyn::Acc Acc; App<Acc> a; };